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Fix crash when disabling focused mon 

m->link.next leads to errors if the monitor to disable doesn't have a
"next" (right) monitor and is currently focused. dirtmon() does more
checks.

In some previous commits m->link.next is told to be left monitor, which
is wrong

Also focusclient() explicitly checks for disabled monitors (this fixes
in case of more than one disabled monitor)
This commit is contained in:
Stivvo 2020-10-31 12:43:07 +01:00
parent 60a63b637c
commit 25671d7905
1 changed files with 14 additions and 4 deletions
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18
dwl.c
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@ -1459,16 +1459,26 @@ outputmgrapplyortest(struct wlr_output_configuration_v1 *config, bool test)
{
struct wlr_output_configuration_head_v1 *config_head;
bool ok = true;
Arg ar = {.i = -1};
wl_list_for_each(config_head, &config->heads, link) {
struct wlr_output *wlr_output = config_head->state.output;
Monitor *m, *newmon;
if (!config_head->state.enabled) {
wl_list_for_each(m, &mons, link) {
if (m->wlr_output->name == wlr_output->name) {
// make sure that the monitor to clean is focused
selmon = m;
focusclient(selclient(), focustop(selmon), 1);
// focus the left monitor (relative to the current focus)
focusmon(&ar);
closemon(m, wl_container_of(&selmon->link, newmon, link));
}
}
}
wlr_output_enable(wlr_output, config_head->state.enabled);
if (!config_head->state.enabled)
wl_list_for_each(m, &mons, link)
if (m->wlr_output->name == wlr_output->name)
closemon(m, wl_container_of(m->link.next, newmon, link));
if (config_head->state.enabled) {
if (config_head->state.mode)